Exergy-environmental analysis and optimisation of the modified organic Rankine cycle driven by geothermal and biomass energies
by Mohammad Ali Sabbaghi; Mohammad Sefid
International Journal of Exergy (IJEX), Vol. 40, No. 2, 2023

Abstract: In this paper, thermodynamic analysis and optimisation studies are investigated on an ORC for multi-generation using geothermal and biomass energies. Results indicated that the ORC is responsible for 65% of the total exergy destruction rate. The produced hydrogen and freshwater rates are 1.264 lit/s and 5.9 kg/s, respectively. By increasing the temperature of the geothermal source from 400 K to 430 K, the hydrogen and freshwater production rates increase to 19.6% and 17.6%. If all energy is supplied by biomass, the amount of emitted CO₂ will increase to 60.3%.

Online publication date: Fri, 03-Feb-2023

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